Home / 1,067,126.72-1,600,692.78-436,040.52

Finding the Fourth Proportional to 1,067,126.72, 1,600,692.78 and 436,040.52

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Solution

The fourth proportional to 1,067,126.72, 1,600,692.78 and 436,040.52 is: 654,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,126.72 : 1,600,692.78 = 436,040.52 : x
  2. Step 2: Convert to fraction form
    1,067,126.72/1,600,692.78 = 436,040.52/x
  3. Step 3: Cross multiply
    1,067,126.72x = 1,600,692.78 × 436,040.52
  4. Step 4: Simplify right side
    1,067,126.72x = 697,966,912,151.45
  5. Step 5: Solve for x
    x = 697,966,912,151.45/1,067,126.72
  6. Step 6: Final answer
    x = 654,061.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.